Hobbypower Mini KK2.15 Multi-rotor LCD Flight Controller V1.9S & Protect Case KK2.0 KK2.1 The KK-Mini is the next Big/Small evolution of the first generation KK flight control boards. T A host of multi-rotor craft types are pre-installed, simply select your craft type, check motor layout/propeller direction, calibrate your ESCs and radio and youre ready to go The original KK gyro system has been updated to an incredibly sensitive 6050 MPU system, making this the most stable KK board ever and allowing for the addition of an auto-level function. The KK-Mini added polarity protection to the voltage sense header and on-board buzzer.